How many foreign solar street lamps have been used for a long time?

Recently you when choosing a solar street lamp, will care about such a question: solar street lights can use how long? Cannot simply answer this question an exact data, because the solar LED street lamp is composed of five parts, including solar battery

recently, when people choose to solar street lamps, they are concerned about such a question: solar energy street lamp can use how long? Cannot simply answer this question an exact data, because the solar led street light is made up of five parts, including solar panels, led light source, solar controller, solar colloid battery, light pole, the service life of the solar street light depends on the five parts. The service life of the solar panels can reach more than 25 years, the service life of lamp can reach more than 30 years. Life is so long parts can be completely ignored. Second, the solar light controller can also be ruled out. First of all, the controller is cheap and easy to purchase, easy to maintain. Second, the controller is not easy to out of order. As long as the correct use of according to the specification, will not cause too much threat. Main consideration here is that the led light source and the service life of the battery. If used properly, the battery service life can reach more than 5 years. Proper use of the so-called battery means manufacturers in the bearing capacity of the battery should be considered when design and configuration. How long is the service life of led light source? At present, the good quality led light source of luminous efficiency is 120 mm/watt, service life of 100000 hours. If the lamp light eight hours a day, it can be used for 12500 days, make the adult 34. This is quite a long time. If you only say 100000 hours, it will give the impression that it is too small. In fact, 100000 hours is 34 years, so don't worry about the service life of LED lamp is not long enough.